Gaya APA
Shadbolt, C. H.. (1978).
Mining Subsidence .
:
s.n..
Gaya Chicago
Shadbolt, C. H..
Mining Subsidence.
:
s.n.,
1978.
Computer Software.
Gaya MLA
Shadbolt, C. H..
Mining Subsidence.
:
s.n.,
1978.
Computer Software.
Gaya Turabian
Shadbolt, C. H..
Mining Subsidence.
:
s.n.,
1978.
Computer Software.